(Objective-C) AWS Secrets Manager - Get Secret Value

See more AWS Secrets Manager Examples

Retrieves the contents of the encrypted fields SecretString or SecretBinary from the specified version of a secret, whichever contains content.

For more information, see https://docs.aws.amazon.com/secretsmanager/latest/apireference/API_GetSecretValue.html

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#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <CkoJsonObject.h>
#import <CkoStringBuilder.h>
#import <NSString.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Sends the following sample request.
// Note: Chilkat will automatically add Content-Length, X-Amz-Date, Accept-Encoding, and Authorization

// POST / HTTP/1.1
// Host: secretsmanager.region.domain
// Accept-Encoding: identity
// X-Amz-Target: secretsmanager.GetSecretValue
// Content-Type: application/x-amz-json-1.1
// X-Amz-Date: <date>
// Authorization: AWS4-HMAC-SHA256 Credential=<credentials>,SignedHeaders=<headers>, Signature=<signature>
// Content-Length: <payload-size-bytes>
// 
// {
//   "SecretId": "MyTestDatabaseSecret",
// }

CkoRest *rest = [[CkoRest alloc] init];

// Connect to the Amazon AWS REST server.
// such as https://secretsmanager.us-west-2.amazonaws.com/
BOOL bTls = YES;
int port = 443;
BOOL bAutoReconnect = YES;
BOOL success = [rest Connect: @"secretsmanager.us-west-2.amazonaws.com" port: [NSNumber numberWithInt: port] tls: bTls autoReconnect: bAutoReconnect];

// Provide AWS credentials for the REST call.
CkoAuthAws *authAws = [[CkoAuthAws alloc] init];
authAws.AccessKey = @"AWS_ACCESS_KEY";
authAws.SecretKey = @"AWS_SECRET_KEY";
// the region should match our URL above..
authAws.Region = @"us-west-2";
authAws.ServiceName = @"secretsmanager";

[rest SetAuthAws: authAws];

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

CkoJsonObject *json = [[CkoJsonObject alloc] init];

[json UpdateString: @"SecretId" value: @"MyTestDatabaseSecret2"];

[rest AddHeader: @"Content-Type" value: @"application/x-amz-json-1.1"];
[rest AddHeader: @"X-Amz-Target" value: @"secretsmanager.GetSecretValue"];

CkoStringBuilder *sbRequestBody = [[CkoStringBuilder alloc] init];
[json EmitSb: sbRequestBody];
CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestSb: @"POST" uriPath: @"/" requestBody: sbRequestBody responseBody: sbResponseBody];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

int respStatusCode = [rest.ResponseStatusCode intValue];
NSLog(@"%@%d",@"response status code = ",respStatusCode);

CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
jResp.EmitCompact = NO;
[jResp LoadSb: sbResponseBody];

if (respStatusCode >= 400) {
    NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",rest.ResponseHeader);
    NSLog(@"%@",@"Response Body:");
    NSLog(@"%@",[jResp Emit]);
    return;
}

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

// Sample response body:

// {
//   "ARN":"arn:aws:secretsmanager:us-west-2:123456789012:secret:MyTestDatabaseSecret-a1b2c3",
//   "CreatedDate":1.523477145713E9,
//   "Name":"MyTestDatabaseSecret",
//   "SecretString":"{\n  \"username\":\"david\",\n  \"password\":\"BnQw&XDWgaEeT9XGTT29\"\n}\n",
//   "VersionId":"EXAMPLE1-90ab-cdef-fedc-ba987SECRET1"
// }

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

NSString *ARN = [jResp StringOf: @"ARN"];
NSString *CreatedDate = [jResp StringOf: @"CreatedDate"];
NSString *Name = [jResp StringOf: @"Name"];
NSString *SecretString = [jResp StringOf: @"SecretString"];
NSString *VersionId = [jResp StringOf: @"VersionId"];